The XPT entered service in 1982 and was based on British Rail’s High Speed Train. When introduced they were the fastest trains in Australia. Each set consists of two power cars, one at each end of the train, and from four to seven passenger carriages, although eight carriages have been used on occasions. They operate between Sydney and Melbourne, Dubbo, Grafton, Casino and Brisbane. Their maximum speed in regular service is 160 km/h but they have recorded speeds up to 193 km/h in trials. The New South Wales Government is investigating new trains to replace the XPTs.